As one of the most economical scales on the market, it features a removable cover for protection and doubles as a expansion tray. Simply replace the plastic cover when you are done using it, and safely toss the scale in your handbag or pocket for worry free travel. This handy digital scale has great functionality and is easy to read. Designed to weigh items up to 500 grams in 0.1 gram increments, the scale also employs a back lit LCD display for easy viewing. Powered by dual AAA batteries, the iScale Digital Pocket Scale 650g is a essential, convenient accessory to have.